TY  - BOOK
AU  - Charles D., Kolstad
TI  - Environmental economics / 
SN  - 0-19-511954-1
U1  - 333.7 
PY  - 2003///
CY  - New York
PB  - Oxford
KW  - Environment science
KW  - Ecology
N1  - `Includes bibliographies and index
ER  -